How Are Rubber Vulcanizing Presses Categorized? A Guide To Structural And Hydraulic Classifications

Learn how rubber vulcanizing presses are categorized by structural design and hydraulic medium to optimize your laboratory's pressing process.

How Is A Laboratory Hydraulic Press Used To Evaluate Konjac Powder? Optimize Your Tableting Performance Today

Learn how laboratory hydraulic presses evaluate modified Konjac powder through pressure gradients, tensile strength testing, and Kawakita analysis.

How Do Hydraulic Laboratory Presses Ensure Consistent Performance? Precision Controls For Superior Reproducibility

Learn how hydraulic presses ensure scientific reproducibility through precision engineering, pulse heating, and multi-stage pressure fine-tuning.

How Does The Precise Pressure-Holding Function Of A Laboratory Hydraulic Press Help Suppress Lithium Dendrite Growth?

Learn how laboratory hydraulic presses suppress lithium dendrite growth by eliminating interface voids and ensuring uniform ion flux in batteries.

Why Is A Laboratory Hydraulic Press Utilized For Solid-State Battery Half-Cells? Achieve Perfect Solid Interfaces

Learn how laboratory hydraulic presses solve solid-solid contact issues, reduce resistance, and prevent dendrites in solid-state battery assembly.

What Are The Different Types Of Hydraulic Presses Described? Choose The Right System For Your Lab Or Production

Learn the key differences between automatic and manual hydraulic presses, from high-volume manufacturing to specialized laboratory research.

Why Is A Laboratory Hydraulic Press Used For Persistent Phosphor Samples? Ensure Precise Thermoluminescence Testing

Learn how laboratory hydraulic presses improve TL testing accuracy by ensuring uniform heat conduction and stable optical paths for phosphor pellets.

What Is A Hydraulic Mini Press And What Are Its Key Attributes? Discover Portable Power For Precise Sample Prep

Learn how the hydraulic mini press offers 2 tons of force in a 4kg portable design. Perfect for cost-effective, high-density small-scale pelletizing.

At What Stage Of Solid-State Lithium Metal Battery Assembly Is A Laboratory Hydraulic Press Primarily Utilized?

Learn how laboratory hydraulic presses optimize solid-state battery assembly by reducing interfacial impedance and suppressing lithium dendrites.

What Is The Function Of A Laboratory Uniaxial Hydraulic Press? Precision Sample Prep For Na2Cup1.5As0.5O7 Materials

Learn how laboratory uniaxial hydraulic presses densify Na2CuP1.5As0.5O7 powders into green bodies for accurate electrical and ceramic testing.

How Does A Lab Press Enhance Micro-Supercapacitor Power Density? Maximize Energy Efficiency In Interdigitated Designs

Learn how lab presses improve micro-supercapacitor performance by densifying active materials to boost conductivity and volumetric energy density.

What Role Does A Laboratory Hydraulic Press Play In Powder Compaction? Validate Theoretical Models With Precision

Learn how laboratory hydraulic presses generate pressure-displacement curves and empirical data for FEA simulation and powder compaction validation.

What Is The Role Of High-Precision Lab Presses In All-Solid-State Batteries? Achieve Stable Cycling And Density

Learn how high-precision lab presses eliminate voids and minimize impedance to ensure cycling stability in all-solid-state battery separators.

How Does A Laboratory Hydraulic Press Contribute To The Green Body Formation Of Ba7Nb4Moo20? Achieve Peak Densification

Learn how 70 MPa of pressure and precise hydraulic control ensure high-density green bodies for high-performance Ba7Nb4MoO20 ceramic fabrication.

Why Is A Laboratory Press Essential For Magnesium Hydride Mgh2? Enhance Hydrogen Storage Efficiency

Learn why laboratory presses are vital for MgH2 solid-state hydrogen storage, optimizing density, thermal conductivity, and experimental accuracy.

How Does The High-Pressure Argon Medium Used In Hip Contribute To Ti-Mg Alloys? Master Density And Purity

Learn how high-pressure argon in Hot Isostatic Pressing (HIP) prevents magnesium evaporation and titanium oxidation for dense, pure alloys.

What Is The Importance Of A Laboratory Press For Superconducting Nanowires? Ensure Density & Precision

Learn how high-precision laboratory presses optimize density and grain connectivity to enhance superconducting performance and device integrity.

What Are The Specific Requirements For Sample Preparation For Limestone Strength Testing? Achieve Precise Cube Standards

Learn why 0.05m cubes are essential for limestone strength testing to ensure uniform loading, eliminate stress errors, and get accurate rock data.

What Role Does A Laboratory Hydraulic Press Play In All-Solid-State Batteries? Achieve Optimal Interfacial Contact

Learn how laboratory hydraulic presses eliminate voids and reduce impedance to enable ion transport in all-solid-state battery assembly.

Why Must A Continuous And Precise Stack Pressure Be Applied During The Electrochemical Performance Testing Of Assembled All-Solid-State Batteries?

Learn why precise stack pressure is critical for solid-state battery testing, ensuring low interfacial resistance, dendrite suppression, and reproducible data.

How Does A High-Tonnage Hydraulic Press Facilitate Measurement Of Eps Concrete? Ensure Precision In Structural Testing

Learn how high-tonnage hydraulic presses measure EPS lightweight aggregate concrete strength through precise load control and axial compression.

How Is A Laboratory Press Machine Used In Mo6S8 Cathode Preparation? Optimize Your Magnesium Battery Testing Results

Learn how laboratory press machines densify Chevrel phase cathodes to reduce resistance and improve electrical connectivity in magnesium batteries.

What Is The Fundamental Difference In The Heating Mechanism Between Induction Hot Pressing (Hp) And Spark Plasma Sintering (Sps)? Unlock Faster Sintering With Direct Heating

Discover the core difference between SPS and Induction HP: direct internal Joule heating vs. indirect thermal conduction. Learn which method suits your material processing needs.

Why Is A High Pressure Of Up To 392 Mpa Applied During The Assembly Of All-Solid-State Batteries? Achieve Superior Battery Performance

Learn why applying up to 392 MPa of pressure is critical for densifying solid electrolytes, reducing impedance, and stabilizing lithium anodes in all-solid-state batteries.

Why Is A Pressure Of Up To 500 Mpa Required For Lzp Powder? Achieve High-Density Solid Electrolytes

Discover why 500 MPa pressure is critical for compacting LiZr₂(PO₄)₃ powder to maximize green density and final ionic conductivity in solid electrolytes.

What Function Does A Uniaxial Press Serve During The Co-Sintering Step? Enabling Cold Sintering For Solid-State Batteries

Learn how a uniaxial press applies 400 MPa pressure at 125°C to create seamless LLTO/LFP interfaces, solving the solid-solid contact problem in battery fabrication.

What Are The Advantages Of Hydraulic Presses Over Kbr Pellet Presses? Boost Lab Efficiency With Versatile Pressure Control

Discover how general-purpose hydraulic presses offer superior versatility, precise pressure control, and higher capacity for diverse lab applications like FTIR and XRF.

What Is The Purpose Of Using A Uniaxial Press To Compact Precursor Powders Before The High-Temperature Heat Treatment For Synthesizing Li6Ps5Cl Solid-State Electrolyte?

Learn why uniaxial pressing is critical for Li6PS5Cl synthesis. It maximizes particle contact for complete reaction, uniform heating, and high ionic conductivity.

What Are The Primary Challenges Of Using A Uniaxial Press For Fabricating Solid-State Electrolyte Sheets? Overcoming Density Gradients For Better Batteries

Learn how friction in uniaxial presses creates uneven density, impacting ionic conductivity & scalability for solid-state battery electrolytes.

What Is The Role Of Lab Hydraulic Presses Or Hot Presses In The Assembly Of All-Solid-State Batteries? Achieve Superior Solid-State Battery Performance

Discover how lab hydraulic and hot presses enable intimate solid-solid contact, reduce interfacial resistance, and ensure structural integrity in all-solid-state battery assembly.

What Role Does Hydraulic Fluid Play In A Hydraulic Press? Essential For Force Transmission And Efficiency

Learn how hydraulic fluid enables force multiplication, lubrication, and system stability in hydraulic presses for optimal performance and longevity.

How Are Warm Isostatic Presses Used In Defense Applications? Enhance Component Reliability For Critical Missions

Discover how Warm Isostatic Presses eliminate defects and boost strength in defense components like armor and aerospace parts for superior performance.

What Are The Benefits Of Using A Hydraulic Mini Press Over A Full-Sized Press? Maximize Lab Space And Precision

Discover the advantages of hydraulic mini presses, including space efficiency, portability, and consistent pressure control for small samples in labs.

What Is The Typical Diameter Range For Ftir Pellets? Optimize Your Sample Prep For Accurate Analysis

Learn the standard FTIR pellet diameters (3-13 mm) and key tips for creating translucent pellets to ensure precise infrared spectroscopy results.

Can Hydraulic Lab Presses Be Used In A Glove Box? Compact Solutions For Air-Sensitive Sample Prep

Learn how to use compact hydraulic lab presses in glove boxes for air-sensitive samples, ensuring purity and accurate results in spectroscopy and materials research.

What Is The Role Of A Laboratory Hydraulic Press In Mpea Preparation? Achieve High-Density Green Body Foundations

Learn how laboratory hydraulic presses eliminate porosity and enable plastic deformation to create high-density MPEA green bodies for sintering.

What Role Does A Laboratory Hydraulic Press Play In Biochar Electrode Preparation? Optimize Electrochemical Oxidation

Learn how laboratory hydraulic presses transform biochar into high-performance electrodes for efficient humic acid mineralization and conductivity.

What Role Does A Laboratory Hydraulic Press Play In Xrf Basalt Analysis? Master Sample Preparation For Precise Data

Learn how laboratory hydraulic presses transform basalt powder into dense, flat pellets to minimize scattering and ensure XRF analytical accuracy.

How Does A High-Precision Laboratory Press Assist Machine Learning Models? Enhancing Concrete Hydration Analysis

Learn how precision presses provide the ground truth data for ML models to predict concrete strength and hydration kinetics effectively.

How Does An Automatic Laboratory Press Improve Machine Learning Models For Concrete? Enhancing Data Quality For Ai

Learn how automatic laboratory presses eliminate human error and noise to improve the predictive accuracy of machine learning models for concrete.

What Are The Advantages Of An Isostatic Press For Supercapacitor Separators? Achieve 100% Structural Homogeneity

Learn how isostatic pressing eliminates micro-cracks and density gradients in inorganic composite separators for superior supercapacitor reliability.

What Role Does A Vibrating Brick Press Play In Cement-Free Bricks? Achieve 15.4 Mpa With Precision Densification

Learn how vibrating brick presses use synchronized pressure to minimize porosity and reach 15.4 MPa compressive strength in carbonated bricks.

What Function Does A Laboratory Uniaxial Hydraulic Press Serve In Ti2Alc Synthesis? Master Pretreatment Precision

Learn how uniaxial hydraulic presses enable Ti2AlC synthesis through powder densification, shortening diffusion distances, and green body stability.

What Is The Critical Function Of A Lab Press Machine For Self-Healing Pdms? Transform Scraps Into Unified Polymers

Learn how lab presses utilize heat and pressure to trigger bond exchange and chain mobility for reshaping self-healing PDMS networks.

What Are The Equipment Requirements For Pressing Multilayer Prismatic Solid-State Cells? Manage Stress Effectively

Learn the essential equipment needs for pressing multilayer solid-state cells, focusing on precision, flatness, and mechanical stress management.

What Is The Necessity Of Applying High Pressure To The Cathode And Electrolyte Interface? Optimize Ssbs With Kintek

Learn why 375+ MPa is critical in solid-state battery assembly to eliminate voids, reduce impedance, and ensure continuous ion transport pathways.

Why Is A Laboratory Hydraulic Press Required For Solid-State Batteries? Engineer High-Performance Ionic Interfaces

Learn how laboratory hydraulic presses eliminate voids and reduce interfacial resistance to enable ion transport in solid-state battery assembly.

How Does High-Pressure Repressing Enable Containerless Hip For Gears? Achieve 100% Density With Precision Pressing

Learn how reaching 95% density via precision repressing seals surface pores to enable containerless Hot Isostatic Pressing (HIP) for fully dense gears.

Why Is A High-Precision Laboratory Hydraulic Press Required For Molding Cerium Dioxide-Based Ceramic Samples?

Learn why high-precision presses are vital for creating 15 μm Cerium Dioxide pellets, ensuring uniform density for accurate irradiation testing.

What Is The Primary Function Of A Laboratory Hydraulic Press For Cof Precursors? Master Precision Pellet Preparation

Learn how laboratory hydraulic presses transform PI-COF powder into high-density discs essential for carbonization and electrical testing.

Why Is Laboratory Hydraulic Press Precision Critical For Llzo Electrolytes? Optimize Your Ionic Mobility Testing

Learn how precision pressing ensures high-density green bodies, stable lattice structures, and accurate LLZO ionic conductivity measurements.

Why Is Pre-Heating And Softening Required Before Hot-Pressing Clt? Achieve Superior Wood Densification Results

Learn why pre-heating CLT laminates to their glass transition temperature is essential to prevent brittle fracture during hot-pressing.

Why Is Pre-Pressing Metal Powder Beneficial For Density? Unlock Superior Structural Integrity In Lab Pressing

Learn how pre-pressing metal powder with a hydraulic press removes trapped air, reduces porosity, and prevents cracks in high-speed experiments.

How Does The Dry Pressing Process Using A Laboratory Press Machine Contribute To Ceramic Sample Preparation?

Learn how dry pressing transforms powder into high-density green bodies for precise ceramic and glass-ceramic testing and analysis.

What Function Does A Laboratory Hydraulic Press Serve In The Manufacturing Of Wood-Derived Thick Electrodes?

Learn how laboratory hydraulic presses optimize thickness, density, and ion transport in wood-derived thick electrode manufacturing.

Why Is Pressure Stability From A Laboratory Hydraulic System Crucial? Ensure Accurate Drilling Fluid Filtration Data

Learn why stable hydraulic pressure is essential for drilling fluid filtration tests to ensure accurate filter cake data and fluid optimization.

How Does The Interfacial Electronic Coupling Effect (Iece) Enhance Solid-State Lithium Battery Stability And Safety?

Learn how IECE stabilizes solid-state batteries by coordinating electron-ion synergy, reducing resistance, and suppressing dangerous side reactions.

How Does A Laboratory Hydraulic Press Facilitate The Testing Of Dry Retrograded Starch Powders? Achieve Precision.

Learn how laboratory hydraulic presses standardize dry retrograded starch powders into uniform pellets for accurate XRD and IR spectroscopy results.

Why Is A High-Precision Laboratory Hydraulic Press Necessary For Lglzo Solid Electrolytes? Build Denser Green Bodies

Learn how high-pressure compaction (150 MPa) is vital for LGLZO electrolytes to reduce porosity and prevent lithium dendrite penetration.

How Is A Laboratory Hydraulic Press Utilized In Ftir For Aminated Biomass? Enhance Spectral Clarity & Accuracy

Learn how laboratory hydraulic presses optimize FTIR spectroscopy of aminated biomass by removing water interference and creating uniform pellets.

What Is The Role Of A Laboratory Press In Sse Research? Master Densification For Solid-State Battery Success

Learn how high-precision laboratory presses optimize solid-state electrolyte performance by eliminating porosity and maximizing ionic conductivity.

What Role Does A Laboratory Hydraulic Press Play In Optimizing All-Solid-State Lithium Batteries? | Kintek Solutions

Learn how laboratory hydraulic presses eliminate voids and reduce impedance to optimize solid-state battery interfaces and suppress dendrite growth.

What Is The Function Of A Laboratory Hydraulic Press In Compaction? Master Fe-Mo-Cu-Ni-C Sintered Steel Preparation

Learn how laboratory hydraulic presses consolidate Fe-Mo-Cu-Ni-C powders into green compacts by inducing plastic deformation and reducing porosity.

How Does High-Level Isostatic Pressure Affect Zirconia In Nasicon? Optimize Ionic Pathways & Microstructure

Learn how pressures above 345 MPa disperse zirconia contamination in NASICON ceramics to enhance density and ionic conductivity.

What Is The Necessity Of Using A Laboratory Hydraulic Press For K3Sbs4 Powder? Optimize Your Battery Research

Learn why densifying K3SbS4 powder with a hydraulic press is vital for accurate ionic conductivity measurements and EIS testing performance.

Why Is Precision Laboratory Pressing Required For Solid-State Battery Cathodes? Control Porosity And Energy Density

Learn how precision laboratory pressing eliminates voids, builds solid-solid interfaces, and maximizes energy density in solid-state batteries.

What Are The Potential Applications Of A Laboratory Hydraulic Press In The Preparation Of Graphene-Based Catalysts?

Learn how hydraulic presses optimize graphene catalyst preparation through densification, improved thermal distribution, and analytical precision.

How Is A Laboratory Hydraulic Press Utilized For Hybrid Polysulfide Battery Solid Electrolyte Sheets?

Learn how laboratory hydraulic presses transform ceramic powders into high-density electrolyte sheets to prevent battery crossover and self-discharge.

Why Is A Laboratory Manual Hydraulic Press Required For The Formation Of Medicated Chewing Gum Tablets?

Learn how laboratory manual hydraulic presses ensure precise force control and structural integrity in medicated chewing gum tablet formation.

Why Is A Semi-Automatic Hydraulic Forming Machine Used For Cebs? Ensure Structural Density And Precision

Learn how precise 5-6 MPa hydraulic pressure transforms soil into durable Compressed Earth Blocks by maximizing density and reducing porosity.

Why Is A High-Precision Laboratory Hydraulic Press Required For Pressing Batio3-Based Electrocaloric Ceramic Green Bodies?

Learn why precision laboratory hydraulic presses are vital for BaTiO3 ceramics, ensuring uniform density and high breakdown field strength.

What Is The Primary Function Of A Laboratory Hydraulic Press For Shea Butter? Optimize Oil Extraction & Yield

Learn how laboratory hydraulic presses use high-pressure cellular rupture to maximize Shea butter extraction efficiency and consistency.

What Is The Role Of A Laboratory Hydraulic Press In Preparing Microplastic-Encapsulated Aragonite Samples?

Learn how laboratory hydraulic presses standardize aragonite and microplastic samples for precise nanoindentation and surface analysis.

What Role Does A Laboratory Uniaxial Hydraulic Press Play In Miec Ceramic Membrane Green Body Preparation?

Learn how uniaxial hydraulic presses shape MIEC ceramic green bodies, optimize particle density, and prepare materials for high-performance sintering.

Why Does The Encapsulation Process Of Nafion/Sslm Mea Require Precise Pressure And Temperature From A Laboratory Press?

Learn why precise control of 30 kg/cm² and 130°C is essential for MEA encapsulation to minimize ohmic resistance and ensure thermal stability.

Why Is High-Grade Stainless Steel Preferred For Molds Used In Hot Pressing? Achieve Precision In Water-Lubrication Research

Learn why high-grade stainless steel is essential for hot pressing: superior corrosion resistance, thermal stability, and 20 MPa pressure rigidity.

Why Is A Laboratory Uniaxial Hydraulic Press Used For Sdc Electrolyte Pellets? Essential Pre-Forming Explained

Learn why uniaxial hydraulic presses are critical for shaping SDC powder into 'green body' pellets and ensuring consistent experimental results.

Why Is A Laboratory Metallurgical Mounting Press Indispensable For Armor Steel Welding? Unlock Precision Analysis

Learn how metallurgical mounting presses create standardized, deformation-free samples for critical armor steel weld testing and microhardness analysis.

Why Use A 375 Mpa Hydraulic Press For Sulfide Solid-State Batteries? Achieve Critical Electrode Densification

Learn why ultra-high pressure is essential to induce plastic deformation in sulfide electrolytes for dense, high-performance battery electrodes.

What Core Function Does A Laboratory Hydraulic Press Perform In Bi2Te3 Cold Pressing? Achieve 97%+ Density.

Learn how laboratory hydraulic presses use 1.5 GPa pressure to bond Bismuth Telluride (Bi2Te3) through plastic deformation and van der Waals forces.

What Is The Primary Function Of A Laboratory Hydraulic Press For Activated Carbon Electrodes? Optimize Energy Density

Learn how laboratory hydraulic presses compact activated carbon to reduce resistance, ensure conductivity, and enhance battery energy density.

What Is The Role Of A High-Precision Laboratory Hydraulic Press In Mtg Catalyst Preparation? Optimize Catalyst Life.

Learn how precision hydraulic presses transform catalyst powders into pellets, balancing mechanical strength and porosity for efficient MTG conversion.

In What Ways Do Hydraulic Mini Presses Reduce Physical Effort And Space Requirements? Unlock Lab Efficiency

Learn how hydraulic mini presses optimize laboratory workflows by reducing operator fatigue and maximizing valuable bench space with high precision.

What Is Pascal's Law? Master The Physics Of Hydraulic Force And Fluid Pressure

Learn the principles of Pascal's Law, from constant pressure transmission to mechanical advantage in hydraulic systems and laboratory presses.

What Is The Typical Working Static Pressure Range For A Warm Isostatic Press? Mastering 0-240 Mpa For Precision

Learn the optimal pressure ranges (0-240 MPa) and temperature conditions required for superior density in warm isostatic pressing.

What Are The Features And Applications Of Manual Hydraulic Presses In Pellet Pressing? Optimize Lab Sample Prep

Learn how manual hydraulic presses create high-quality pellets for FTIR and XRF, highlighting key features, applications, and cost-benefits.

What Role Does A Laboratory Uniaxial Hydraulic Press Play In The Formation Of Fese0.5Te0.5 Green Bodies?

Learn how uniaxial hydraulic presses enable high packing density and atomic diffusion for FeSe0.5Te0.5 green body formation in superconductors.

What Is The Primary Objective Of An Industrial Hpt Press? Enhance Additive Manufacturing Strength Via Grain Refinement

Learn how High-Pressure Torsion (HPT) transforms additive manufacturing materials into ultra-fine grain structures with 6 GPa of pressure.

What Is The Function Of A Biaxial Laboratory Press And A Prismatic Mold In Zeolite Powder Forming?

Learn how biaxial presses and prismatic molds create consistent 'green bodies' from zeolite powder at low pressure for stable material research.

What Is The Function Of A Laboratory Hydraulic Press For Llzo? Enhance Solid Electrolyte Ion Exchange Accuracy

Learn how laboratory hydraulic presses prepare high-density LLZO samples by minimizing porosity and ensuring uniform ion diffusion for research.

What Function Does A Laboratory Hydraulic Press Perform In Ionic Conductivity Measurement? Optimize Sample Density

Learn how laboratory hydraulic presses eliminate voids and reduce grain boundary impedance to ensure accurate ionic conductivity measurements.

Why Is A High-Precision Laboratory Press Essential For The Assembly Of All-Solid-State Lithium-Ion Batteries?

Learn how high-precision laboratory presses reduce interfacial impedance and suppress dendrite growth in solid-state battery assembly.

Why Is A High-Range Servo-Hydraulic Laboratory Press Required For Uhpc Testing? Achieve Precision At 120+ Mpa

Learn why UHPC testing demands high-range servo-hydraulic presses to handle extreme compressive strengths and ensure precise loading data.

How Do Isostatic Or Heated Laboratory Presses Address Core Process Challenges In All-Solid-State Battery R&D?

Learn how laboratory presses solve solid-solid interface challenges in solid-state batteries through uniform densification and thermal deformation.

Why Is Laboratory-Level Control Over Adsorbent Particle Pressing Necessary? Ensure Model Reliability And Precision

Learn why precision packing is vital for stable porosity, uniform fractal structures, and accurate fluid flow simulations in adsorbent beds.

What Is The Function Of A Laboratory Hydraulic Press In Solid Raw Material Prep? Optimize Li2Rblab18O30 Synthesis

Learn how laboratory hydraulic presses enhance solid-state synthesis for compounds like Li2RbLaB18O30 by maximizing particle contact and diffusion.

Why Is A Laboratory Hydraulic Press Essential For Evaluating High-Entropy Sulfide Solid Electrolytes Like Argyrodites?

Discover how hydraulic presses enable densification and ionic conductivity in high-entropy sulfide electrolytes for solid-state battery research.

What Core Function Does A Laboratory Hydraulic Press Serve In Pani/Cbts Electrode Fabrication? Enhance Energy Storage

Learn how laboratory hydraulic presses optimize PANI/CBTS electrodes by reducing contact resistance and enhancing mechanical stability and capacity.

What Role Do Laboratory Hydraulic Presses And Precision Molds Play In Biochar-Cement Specimens? Achieve Superior Density

Learn how laboratory hydraulic presses and precision molds standardize biochar-cement specimens by eliminating voids and ensuring uniform density.

What Function Does A Hydraulic Press Perform In Viscose Preparation? Master Chemical Ratios And Fiber Purity

Learn how laboratory hydraulic presses regulate the cellulose-to-alkali ratio and remove impurities during the viscose alkalization stage.